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Finding the Fourth Proportional to 237,103.92, 355,630.68 and 79,314.48

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Solution

The fourth proportional to 237,103.92, 355,630.68 and 79,314.48 is: 118,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,103.92 : 355,630.68 = 79,314.48 : x
  2. Step 2: Convert to fraction form
    237,103.92/355,630.68 = 79,314.48/x
  3. Step 3: Cross multiply
    237,103.92x = 355,630.68 × 79,314.48
  4. Step 4: Simplify right side
    237,103.92x = 28,206,662,456.25
  5. Step 5: Solve for x
    x = 28,206,662,456.25/237,103.92
  6. Step 6: Final answer
    x = 118,963.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.